Define ANET_FULL_GRAPHICS_LCD pins for SKR 1.4 (#16928)

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h

  *              EXP2                                              EXP1
  */
 #if HAS_SPI_LCD
-  #define BTN_ENC          P0_28   // (58) open-drain
+  #if ENABLED(ANET_FULL_GRAPHICS_LCD)
 
-  #if ENABLED(CR10_STOCKDISPLAY)
+    #define LCD_PINS_RS    P1_23
+
+    #define BTN_EN1        P1_20
+    #define BTN_EN2        P1_22
+    #define BTN_ENC        P1_18
+
+    #define LCD_PINS_ENABLE P1_21
+    #define LCD_PINS_D4    P1_19
+
+  #elif ENABLED(CR10_STOCKDISPLAY)
+    #define BTN_ENC        P0_28   // (58) open-drain
     #define LCD_PINS_RS    P1_22
 
     #define BTN_EN1        P1_18
     #define LCD_PINS_D4    P1_21
 
   #else
+    #define BTN_ENC        P0_28   // (58) open-drain
     #define LCD_PINS_RS    P1_19
 
     #define BTN_EN1        P3_26   // (31) J3-2 & AUX-4